US Bridges

I 90 over Dobbins Creek

Good

Mower County, Minnesota · 0.5 MI W of JCT TH 218 · Structure no. 50X03

Built
2009
16 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
18,300
2018 count
Owner
State
State Highway Agency

About this bridge

I 90 over Dobbins Creek is a concrete culvert carrying I 90 over Dobbins Creek in Mower County, Minnesota. It was built in 2009, so it is 16 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 18,300 vehicles a day, roughly 10% of them trucks, projected to reach 16,900 by 2038. The structure is 33 ft (10 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesI 90
CrossesDobbins Creek
Location0.5 MI W of JCT TH 218
RouteInterstate 90
Coordinates43.67435, -92.94821
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length33 ft (10 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,300 (2018)
Projected traffic16,900 by 2038
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 90 over Dobbins Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is I 90 over Dobbins Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does I 90 over Dobbins Creek carry?

About 18,300 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is I 90 over Dobbins Creek?

The structure is 33 ft (10 m) long with a longest span of 16 ft (4.9 m).

Who owns I 90 over Dobbins Creek?

It is owned by the State Highway Agency.